Method and apparatus for providing information from a speed and direction sensor
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United States of America Patent
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Nov 9, 2004
Grant Date -
Jul 31, 2003
app pub date -
Oct 29, 2002
filing date -
Jan 31, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for providing information from a speed and direction sensor is disclosed. The method and apparatus detect the presence of a ferromagnetic object as it moves past a sensor. The sensor determines speed and direction information regarding the ferromagnetic object, and further provides information relating to the environment surrounding the sensor or object, such as the status of an air gap between the sensor and the moving object, and the temperature of the environment in which the sensor or object is disposed.
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